WO2022219729A1 - Image data collection system for expressway inspection - Google Patents
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- 238000013480 data collection Methods 0.000 title claims abstract description 10
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- 238000013500 data storage Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 8
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- an object of the present invention to provide an image collection system for highway inspection that enables image inspection of highways on which automobiles travel in a high speed range.
- the road inspection image data collection system In the road inspection image data collection system according to the present invention, still images are photographed at predetermined time intervals, and the image data of the still images obtained by photographing the image data obtained each time are associated with photographing position information.
- the image data whose photographing position information is closest to the position data of the image extraction point the image data of the photographing extraction point, that is, the specific point can be obtained.
- only the extracted image data is transmitted to a data storage device not mounted on the vehicle via a wireless communication device. Therefore, even if the resolution of the captured still image is increased, the amount of required image data of a specific point is increased only within the range that can be transmitted via the wireless communication device.
- FIG. 1 is a block diagram showing an outline of an embodiment of an expressway inspection image data collection system according to the present invention
- An embodiment of an expressway inspection image data collection system will be described with reference to the drawings.
- This embodiment is for collecting still images for inspection to be used for inspection of predetermined points on a highway to be inspected.
- a static image for inspection is taken from a car 1 traveling on a highway, and the image data is stored in a data storage device 3 via the Internet 2 .
- the automobile 1 is equipped with a camera device 4 having a photographing means 11, a storage means 12 and an image extracting means 14, and a control device 5 having an arithmetic processing section for functioning as a position information acquisition means 15 and a wireless communication means 16.
- a camera device 4 having a photographing means 11, a storage means 12 and an image extracting means 14, and a control device 5 having an arithmetic processing section for functioning as a position information acquisition means 15 and a wireless communication means 16.
- an in-vehicle LAN 6 including these devices is constructed.
- three camera devices 4 are connected in order to enable photographing in three directions with different angles of view at a predetermined photographing point.
- the compact arithmetic processing unit that constitutes the camera device 4 functions as the storage means and image extraction means of the present invention.
- a well-known microcomputer is used as a small arithmetic processing unit, but any other well-known arithmetic processing unit may be used as long as it can execute necessary processing.
- the storage means 12 receives travel position information of the automobile 1 from the control device 5 at any time. Then, when the image data is transferred from the photographing means 11, the position information acquired from the control device 5 at that timing, that is, at the timing at which the image data is acquired, is used as the photographing position information, and the image data is stored in association with the photographing position information. do.
- the image extracting means 13 has position data of the image extraction point, and in accordance with a preset schedule, inquires the storage means 12 about the photographing position information, and corresponds to the photographing position information closest to the position data of the image extraction point.
- the image data to be processed is extracted from the storage means 12 .
- the upload data processed into a format that can be browsed by the browsing means 17 set in the terminal device 7 owned by the user of the image data is uploaded to the data storage device 3 via the wireless communication means 16 of the control device 5. .
- the wireless communication means 16 is responsible for communication for uploading image data from the camera device 4 to the data storage device 3.
- the in-vehicle LAN 6 connects devices including the camera device 4 and the control device 5 in a mutually communicable state, and enables addition or replacement of devices as necessary.
- it is constructed by connecting a known LAN cable and a router using the TCP/IP protocol, but it may be constructed by other known methods.
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Abstract
In an image data collection system for expressway inspection according to the present invention, a local area network including an image-capturing means, a storage means, an image extraction means, a position information acquisition means, and a wireless communication means is constructed in a vehicle traveling on an expressway. The image-capturing means captures a still image at predetermined time intervals, and delivers the obtained image data to the storage means for each image-capturing. The storage means uses, as image-capturing position information, the position information acquired from the position information acquisition device at the timing when the image data is acquired, and stores the image data in association with the image-capturing position information. Then, the image extraction means uses position data on an image extraction point to extract, from the storage means, the image data corresponding to the image-capturing position information closest to the position data on the image extraction point, and transmits data on the still image to a data storage device which is not mounted on the vehicle and is installed at a predetermined location, via the wireless communication means.
Description
本発明は、高速自動車国道や自動車専用道路など、自動車が高い速度域で走行する高速道路の点検に用いられる画像を収集するための、道路点検用画像データ収集システムに関するものである。
The present invention relates to a road inspection image data collection system for collecting images used for inspection of highways on which automobiles travel in high speed ranges, such as national highways and expressways.
道路の路面状態を点検する作業においては、その点検対象となる路面面積が極めて大きく、限られた時間内で全体を網羅するためには特定部位の状態判断に費やすことのできる時間が制限されていた。そのため、路面状態を評価できる技能を有する点検者が、点検対象となる路面の現場に赴き目視による評価を行う点検方法では、点検数に限界があった。そこで、点検者が現場に赴くことなく、走行車両から撮影して得られた点検対象となる路面の画像を使用した点検が試みられており、点検に用いる画像を収集するための様々な手法が提案されている。
In the work of inspecting the road surface condition, the road surface area to be inspected is extremely large, and in order to cover the entire area within a limited time, the time that can be spent to judge the condition of specific parts is limited. rice field. Therefore, there is a limit to the number of inspections that can be performed by an inspector who has the skills to evaluate the condition of the road surface by visiting the site of the road surface to be inspected and visually evaluating the condition of the road surface. Therefore, inspections using images of the road surface to be inspected taken from a running vehicle without the inspector going to the site have been attempted, and various methods have been developed to collect images used for inspections. Proposed.
例えば、特開平１０－２９４９３２公報には、予め設定されている巡視箇所を、ユーザの操作を介さずに自動的に撮影する画像撮影装置が提案されている。また、特開２０１９－１５４０１７公報には、点検のために撮影された画像における路面の撮影状態を撮影時に確認し、天候や照度などの環境条件、或いは、カメラ角度などの撮影条件が、画像を使用した点検結果へ影響を及ぼすことを防止する撮影画像事前確認システムが提案されている。
For example, Japanese Patent Application Laid-Open No. 10-294932 proposes an image capturing device that automatically captures images of preset patrol locations without user intervention. In addition, in Japanese Patent Application Laid-Open No. 2019-154017, the photographing state of the road surface in the image photographed for inspection is confirmed at the time of photographing, and the environmental conditions such as weather and illuminance, or the photographing conditions such as the camera angle. A photographed image pre-confirmation system has been proposed to prevent the inspection results used from being affected.
しかしながら、高速自動車国道や自動車専用道路など、自動車が高い速度域で走行する高速道路の点検には、高い頻度で収集された、少なくとも４Ｋ以上の高解像度の画像が必要となる。そして、道路の点検に用いる画像を収集するための従来の技術を利用し、画像による高速道路の点検を実施することは難しかった。
However, inspections of highways where cars run at high speeds, such as national highways and expressways, require frequently collected high-resolution images of at least 4K. And, using conventional techniques for collecting images for use in road inspections, it has been difficult to perform image-based highway inspections.
具体的には、高い速度域での走行を維持しながら特定地点の静止画像を位置の誤差なく撮影することは従来の技術では難しく、連続動画を撮影し特定地点の静止画を抽出することで必要な画像を収集することとなり、データ容量の大きい連続動画が作業に必要となる処理に多くの手間や時間を要することが、実施にあたり問題となっている。
Specifically, it is difficult with conventional technology to capture still images of a specific point without positional error while driving in a high-speed range. It is a problem in implementation that it takes a lot of time and effort to collect the necessary images, and the continuous moving images with a large amount of data are required for the work.
すなわち、データ容量の大きい連続動画の無線送信は難しいため、全ての撮影作業が終了した後車両に搭載された装置機器から手元の装置機器にデータを移す手間が生じ、更に、連続動画のデータ容量増大により、データの転送や静止画像の抽出等の処理に多くの時間を要することになる。そして、画像の収集される頻度が高くなれば、これらの処理に要する手間や時間は、実施にあたり容認できる範囲を超えるものとなることが問題となっている。
That is, since it is difficult to wirelessly transmit continuous moving images with a large amount of data, it takes time and effort to transfer the data from the equipment installed in the vehicle to the equipment at hand after all the shooting work is completed. Due to the increase, much time is required for processing such as data transfer and still image extraction. As the frequency of collecting images increases, the trouble and time required for these processes will exceed the permissible range for implementation.
そこで、本発明は、自動車が高い速度域で走行する高速道路の画像による点検を可能とする高速道路点検用画像収集システムを提供することを目的とする。
Therefore, it is an object of the present invention to provide an image collection system for highway inspection that enables image inspection of highways on which automobiles travel in a high speed range.
本発明に係る高速道路点検用画像データ収集システムでは、高速道路上を走行する自動車において、撮影手段と、記憶手段と、画像抽出手段と、位置情報取得手段と、無線通信手段を含むローカルエリアネットワークが構築される。前記撮影手段は、所定の時間間隔で静止画像を撮影し、撮影毎に、得られた画像データを前記記憶手段に引き渡す。前記記憶手段は、前記画像データを取得したタイミングに前記位置情報取得装置から取得した位置情報を撮影位置情報とし、前記画像データを前記撮影位置情報に対応させて記憶する。そして、前記画像抽出手段は、画像抽出地点の位置データを有し、前記画像抽出地点の位置データに最も近い前記撮影位置情報に対応する前記画像データを前記記憶手段から抽出し、前記車両に搭載されておらず所定の場所に設置されたデータ蓄積装置に、前記無線通信手段を介して前記静止画像のデータを送信する。
In the expressway inspection image data collection system according to the present invention, a local area network including photographing means, storage means, image extraction means, position information acquisition means, and wireless communication means is provided in a vehicle traveling on the expressway. is constructed. The photographing means photographs a still image at predetermined time intervals, and delivers the obtained image data to the storage means for each photographing. The storage means uses the position information obtained from the position information obtaining device at the timing of obtaining the image data as shooting position information, and stores the image data in association with the shooting position information. The image extraction means has position data of an image extraction point, extracts the image data corresponding to the shooting position information closest to the position data of the image extraction point from the storage means, and mounts the image data on the vehicle. Data of the still image is transmitted via the wireless communication means to a data storage device installed at a predetermined location.
前記画像抽出手段は、前記静止画像のデータを、前記静止画像のデータの利用者が所持する端末装置に設定された閲覧手段を介して閲覧できる形式に加工して送信するものであってもよい。
The image extraction means may process the data of the still image into a format that can be viewed via a viewing means set in a terminal device owned by a user of the data of the still image, and transmit the data. .
前記ローカルエリアネットワークに、前記撮影手段の複数が含まれてもよい。
The local area network may include a plurality of the photographing means.
本発明に係る道路点検用画像データ収集システムでは、所定の時間間隔で静止画像を撮影し、撮影毎に、得られた画像データを撮影した静止画像の画像データを、撮影位置情報に対応させて記憶し、撮影位置情報が画像抽出地点の位置データに最も近い画像データを記憶手段から抽出することにより、撮影抽出地点、すなわち、特定地点の画像データを取得できる。また、抽出された画像データのみが、自動車に搭載されていないデータ蓄積装置に無線通信装置を介して送信される。そのため、撮影される静止画像の解像度を高めても、必要とされる特定地点の画像データの容量は無線通信装置を介して送信できる範囲内の増大に止まり、しかも、無線通信装置を介して自動車に搭載されていないデータ蓄積装置に送信されることから、撮影作業が終了した後車両に搭載された装置機器から手元の装置機器にデータを移す必要もない。従って、高速道路の高解像度画像を、高い頻度で、実施にあたり容認できる範囲の手間と時間で収集することができ、高速道路の画像による点検の実施が可能となる。
In the road inspection image data collection system according to the present invention, still images are photographed at predetermined time intervals, and the image data of the still images obtained by photographing the image data obtained each time are associated with photographing position information. By storing the data and extracting from the storage means the image data whose photographing position information is closest to the position data of the image extraction point, the image data of the photographing extraction point, that is, the specific point can be obtained. Also, only the extracted image data is transmitted to a data storage device not mounted on the vehicle via a wireless communication device. Therefore, even if the resolution of the captured still image is increased, the amount of required image data of a specific point is increased only within the range that can be transmitted via the wireless communication device. Since the data is transmitted to the data storage device not mounted on the vehicle, there is no need to move the data from the device mounted on the vehicle to the device at hand after the photographing work is completed. Therefore, it is possible to collect high-resolution images of the expressway at a high frequency and within an acceptable range of labor and time for implementation, making it possible to carry out inspections using images of the expressway.
また、画像抽出手段が、静止画像のデータを、静止画像のデータの利用者が所持する端末装置に設定された閲覧手段を介して閲覧できる形式に画像データを加工して送信するものであれば、取得した画像を即座に利用しなければならない状況に対応することができる。
In addition, if the image extracting means processes the still image data into a format that can be viewed via the viewing means set in the terminal device possessed by the user of the still image data and transmits the image data. , it is possible to cope with situations in which acquired images must be used immediately.
更に、本発明に係る道路点検用画像データ収集システムでは、自動車専用道路上を走行する車両において、撮影手段と、記憶手段と、画像抽出手段と、位置情報取得手段と、無線通信手段を含むローカルエリアネットワーク（以下、「車内ＬＡＮ」とする）が構築されるため、車内ＬＡＮに撮影手段の複数を含めた場合にも、車内ＬＡＮによるデータ授受により各撮影手段の撮影位置情報を同期させることができる。従って、路面に加えて更に道路付属物の点検を行う場合など、撮影角度が異なる複数の高画質画像が必要とされる状況にも対応することができる。
Further, in the road inspection image data collection system according to the present invention, a vehicle traveling on a motorway has a local image pickup device including a photographing device, a storage device, an image extraction device, a position information acquisition device, and a wireless communication device. Since an area network (hereinafter referred to as "in-vehicle LAN") is constructed, even when a plurality of photographing means are included in the in-vehicle LAN, the photographing position information of each photographing means can be synchronized by exchanging data over the in-vehicle LAN. can. Therefore, it is possible to cope with a situation where a plurality of high-quality images with different photographing angles are required, such as when inspecting not only the road surface but also road appendages.
図を参照しながら、本発明に係る高速道路点検用画像データ収集システムの実施形態を説明する。
この実施形態は、点検対象となる高速道路において予め定められた地点の点検に用いるための点検用静止画像を収集するためのものである。点検用静止画像は高速道路上を走行する自動車１から撮影され、その画像データはインターネット２を経由しデータ蓄積装置３に蓄積されるものとなっている。 An embodiment of an expressway inspection image data collection system according to the present invention will be described with reference to the drawings.
This embodiment is for collecting still images for inspection to be used for inspection of predetermined points on a highway to be inspected. A static image for inspection is taken from acar 1 traveling on a highway, and the image data is stored in a data storage device 3 via the Internet 2 .
この実施形態は、点検対象となる高速道路において予め定められた地点の点検に用いるための点検用静止画像を収集するためのものである。点検用静止画像は高速道路上を走行する自動車１から撮影され、その画像データはインターネット２を経由しデータ蓄積装置３に蓄積されるものとなっている。 An embodiment of an expressway inspection image data collection system according to the present invention will be described with reference to the drawings.
This embodiment is for collecting still images for inspection to be used for inspection of predetermined points on a highway to be inspected. A static image for inspection is taken from a
自動車１には、撮影手段１１、記憶手段１２及び画像抽出手段１４を有するカメラ装置４と、位置情報取得手段１５及び無線通信手段１６として機能するための演算処理部を有する制御装置５が搭載され、これら装置を含む車内ＬＡＮ６が構築されている。なお、この実施形態では、予め定められた撮影地点において画角の異なる三方向の撮影を可能とするために、カメラ装置４が３台接続されている。ただし、カメラ装置４の数に制限は無く、用途や目的に応じた数とすればよい。
The automobile 1 is equipped with a camera device 4 having a photographing means 11, a storage means 12 and an image extracting means 14, and a control device 5 having an arithmetic processing section for functioning as a position information acquisition means 15 and a wireless communication means 16. , an in-vehicle LAN 6 including these devices is constructed. In this embodiment, three camera devices 4 are connected in order to enable photographing in three directions with different angles of view at a predetermined photographing point. However, there is no limit to the number of camera devices 4, and the number may be determined according to the application and purpose.
データ蓄積装置３は、自動車１に搭載されておらず、所定の場所に設置されている。そして、自動車１からのインターネット２を経由した画像データのアップロードと、画像データの利用者が所持する端末装置７を使用しての画像データの閲覧が可能とされている。この実施形態では、データ蓄積装置３として、公知のクラウドサーバが採用されている。
The data storage device 3 is not mounted on the vehicle 1, but installed at a predetermined location. It is possible to upload image data from the car 1 via the Internet 2 and browse the image data using the terminal device 7 owned by the user of the image data. In this embodiment, a known cloud server is employed as the data storage device 3 .
３台のカメラ装置４は、撮影装置と小型演算処理装置で構成され、インターフェースである入出力手段１４を介し車内ＬＡＮ６を構成する装置機器とのデータ授受が可能とされている。撮影装置は、本発明の撮影手段に相当し、３台のカメラ装置４の各々の撮影手段１１が自動車１に対し異なる撮影角度で固定されている。なお、この実施形態では、撮影手段１１として市販の４Ｋカメラが使用されているが、必要とされる画質の画像を撮影できる機能を備えるものであればよく、その他公知の撮像機器を使用してもよい。
The three camera devices 4 are composed of a photographing device and a small arithmetic processing device, and are capable of exchanging data with devices constituting the in-vehicle LAN 6 via input/output means 14, which is an interface. The photographing device corresponds to the photographing means of the present invention, and the photographing means 11 of each of the three camera devices 4 are fixed at different photographing angles with respect to the automobile 1 . In this embodiment, a commercially available 4K camera is used as the photographing means 11, but any camera having a function capable of photographing an image of the required image quality may be used. good too.
カメラ装置４を構成する小型演算処理装置は、本発明の記憶手段、及び、画像抽出手段として機能するものとなっている。なお、この実施形態では、小型演算処理装置として公知のマイクロコンピュータが使用されているが、必要な処理を実行できるものであればよく、その他公知の演算処理装置を使用してもよい。
The compact arithmetic processing unit that constitutes the camera device 4 functions as the storage means and image extraction means of the present invention. In this embodiment, a well-known microcomputer is used as a small arithmetic processing unit, but any other well-known arithmetic processing unit may be used as long as it can execute necessary processing.
撮影手段１１は、制御装置５から出力される撮影開始コマンドを受けて、所定の時間間隔での静止画像の撮影を開始し、撮影毎に、得られた画像データを記憶手段１２に引き渡すものとなっている。静止画像を撮影する時間間隔は、撮影条件や点検対象の状況などを考慮し適切に設定すればよい。なお、静止画像の撮影は、制御装置５から出力される撮影終了コマンドを受けて終了する。
The photographing means 11 receives a photographing start command output from the control device 5, starts photographing still images at predetermined time intervals, and delivers the obtained image data to the storage means 12 for each photographing. It's becoming The time interval for photographing still images may be appropriately set in consideration of the photographing conditions, the situation of the object to be inspected, and the like. It should be noted that the shooting of the still image is terminated when a shooting end command output from the control device 5 is received.
記憶手段１２は、制御装置５から、自動車１の走行位置情報を随時受けている。そして、撮影手段１１から画像データが引き渡されると、そのタイミングで、すなわち画像データを取得したタイミングで制御装置５から取得した位置情報を撮影位置情報とし、画像データを撮影位置情報に対応させて記憶する。
The storage means 12 receives travel position information of the automobile 1 from the control device 5 at any time. Then, when the image data is transferred from the photographing means 11, the position information acquired from the control device 5 at that timing, that is, at the timing at which the image data is acquired, is used as the photographing position information, and the image data is stored in association with the photographing position information. do.
画像抽出手段１３は、画像抽出地点の位置データを有し、予め設定されているスケジュールに従い、記憶手段１２に対する撮影位置情報の照会を行い、画像抽出地点の位置データに最も近い撮影位置情報に対応する画像データを記憶手段１２から抽出する。そして、画像データの利用者が所持する端末装置７に設定された閲覧手段１７により閲覧できる形式へ加工したアップロード用データを、制御装置５の無線通信手段１６を介してデータ蓄積装置３にアップロードする。
The image extracting means 13 has position data of the image extraction point, and in accordance with a preset schedule, inquires the storage means 12 about the photographing position information, and corresponds to the photographing position information closest to the position data of the image extraction point. The image data to be processed is extracted from the storage means 12 . Then, the upload data processed into a format that can be browsed by the browsing means 17 set in the terminal device 7 owned by the user of the image data is uploaded to the data storage device 3 via the wireless communication means 16 of the control device 5. .
この実施形態では、閲覧手段１７において撮影地点毎に画像データのファイル名がリンク先ＵＲＬとして表示され、画像データのファイル名は所定の規則に従って作成されるものとなっている。そして、画像抽出手段１３では、アップロードする画像データの名称を規則に従った内容とする加工処理が行われるものとされている。また、ファイル形式はＪＰＧとされている。ただし、閲覧手段１７を介して閲覧できる形式に制限はなく、利用が想定される端末装置７の機能や使用環境に応じて、適切なものとすればよい。
In this embodiment, the file name of the image data is displayed as the link destination URL for each shooting location in the viewing means 17, and the file name of the image data is created according to a predetermined rule. Then, the image extracting means 13 performs a processing process to change the name of the image data to be uploaded into content according to the rules. Also, the file format is JPG. However, there are no restrictions on the format that can be viewed via the viewing means 17, and it may be appropriate depending on the functions and usage environment of the terminal device 7 that is assumed to be used.
制御装置５は、インターフェースである入出力手段１９を介し、車内ＬＡＮ６を構成する装置機器とのデータ授受が可能とされている。そして、位置情報取得手段１５及び無線通信手段１６としての機能を有するとともに、撮影手段１１に対するコマンドを入力するためのユーザーインターフェースとしての機能を有するものとなっている。
The control device 5 is capable of exchanging data with devices constituting the in-vehicle LAN 6 via input/output means 19, which is an interface. It has functions as positional information acquisition means 15 and wireless communication means 16 , and functions as a user interface for inputting commands to photographing means 11 .
位置情報取得手段１５は、ＧＮＳＳを利用して自動車１の位置情報を取得し、その情報を車内ＬＡＮ６に接続された機器に送信する。
The location information acquisition means 15 acquires location information of the vehicle 1 using GNSS, and transmits the information to equipment connected to the in-vehicle LAN 6 .
無線通信手段１６は、カメラ装置４からデータ蓄積装置３へ画像データをアップロードするための通信を担うものとなっている。
The wireless communication means 16 is responsible for communication for uploading image data from the camera device 4 to the data storage device 3.
コマンド入力手段１８は、画像を表示するディスプレイを備えている。そして、ディスプレイに表示された図画に対するタッチ操作により、撮影手段１１に対する撮影開始コマンド又は撮影終了コマンドを受け付け、受け付けたコマンドを撮影手段１１に出力するものとなっている。
The command input means 18 is equipped with a display for displaying images. A photographing start command or a photographing end command for the photographing means 11 is received by a touch operation on the drawing displayed on the display, and the received command is output to the photographing means 11 .
車内ＬＡＮ６は、カメラ装置４及び制御装置５を含む装置機器を相互に通信可能な状態で接続するともに、必要に応じた装置の追加や交換を可能とするものとなっている。この実施形態では、ＴＣＰ／ＩＰプロトコルを用い公知のＬＡＮケーブルとルータの接続により構築されているが、その他の公知の手法で構築してもよい。
The in-vehicle LAN 6 connects devices including the camera device 4 and the control device 5 in a mutually communicable state, and enables addition or replacement of devices as necessary. In this embodiment, it is constructed by connecting a known LAN cable and a router using the TCP/IP protocol, but it may be constructed by other known methods.
１ 自動車
２ インターネット
３ データ蓄積装置
４ カメラ装置
５ 制御装置
６ 車内ＬＡＮ
７ 端末装置
１１ 撮影手段
１２ 記憶手段
１３ 画像抽出手段
１４、１９ 入出力手段
１５ 位置情報取得手段
１６ 無線通信手段
１７ 閲覧手段
１８ コマンド入力手段 1Automobile 2 Internet 3 Data storage device 4 Camera device 5 Control device 6 In-vehicle LAN
7 terminal device 11 photographingmeans 12 storage means 13 image extracting means 14, 19 input/output means 15 position information acquiring means 16 wireless communication means 17 viewing means 18 command input means
２ インターネット
３ データ蓄積装置
４ カメラ装置
５ 制御装置
６ 車内ＬＡＮ
７ 端末装置
１１ 撮影手段
１２ 記憶手段
１３ 画像抽出手段
１４、１９ 入出力手段
１５ 位置情報取得手段
１６ 無線通信手段
１７ 閲覧手段
１８ コマンド入力手段 1
7 terminal device 11 photographing
Claims (3)
- 高速道路上を走行する自動車において、撮影手段と、記憶手段と、画像抽出手段と、位置情報取得手段と、無線通信手段を含むローカルエリアネットワークが構築され、
前記撮影手段は、所定の時間間隔で静止画像を撮影し、撮影毎に、得られた画像データを前記記憶手段に引き渡し、
前記記憶手段は、前記画像データを取得したタイミングに前記位置情報取得手段から取得した位置情報を撮影位置情報とし、前記画像データを前記撮影位置情報に対応させて記憶し、
前記画像抽出手段は、画像抽出地点の位置データを有し、前記画像抽出地点の位置データに最も近い前記撮影位置情報に対応する前記画像データを前記記憶手段から抽出し、前記車両に搭載されておらず所定の場所に設置されたデータ蓄積装置に、前記無線通信手段を介して前記静止画像のデータを送信することを特徴とする高速道路点検用画像データ収集システム。 A local area network including photographing means, storage means, image extraction means, position information acquisition means, and wireless communication means is constructed in a vehicle running on a highway,
The image capturing means captures still images at predetermined time intervals, and transfers the obtained image data to the storage means for each image capturing,
the storage means uses the position information acquired from the position information acquisition means at the timing of acquiring the image data as shooting position information, and stores the image data in association with the shooting position information;
The image extracting means has position data of an image extracting point, extracts the image data corresponding to the photographing position information closest to the position data of the image extracting point from the storage means, and extracts the image data from the storage means. An image data collection system for expressway inspection, characterized in that the data of the still image is transmitted via the wireless communication means to a data storage device installed at a predetermined location. - 前記画像抽出手段は、前記静止画像のデータを、前記静止画像のデータの利用者が所持する端末装置に設定された閲覧手段を介して閲覧できる形式に加工する請求項１に記載の高速道路点検用画像データ収集システム。 2. The expressway inspection according to claim 1, wherein the image extracting means processes the data of the still image into a format that can be viewed via a viewing means set in a terminal device possessed by a user of the data of the still image. image data acquisition system for
- 前記ローカルエリアネットワークに、前記撮影手段の複数が含まれる請求項１に記載の高速道路点検用画像データ収集システム
2. The expressway inspection image data collection system according to claim 1, wherein said local area network includes a plurality of said photographing means.
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